This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: To prepare 500. mL of 0.5 M NaCl from a stock of 2.0 M NaCl one needs to ________. A) dilute 125 ... (Read 148 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
on: Aug 27, 2018
To prepare 500. mL of 0.5 M NaCl from a stock of 2.0 M NaCl one needs to ________.
 
  A) dilute 125 mL 2.0 M NaCl with enough water to a total of 500. mL solution
  B) dilute 125 mL 2.0 M NaCl with 500. mL water
  C) dilute 375 mL 2.0 M NaCl with enough water to a total of 500. mL solution
  D) dilute 375 mL 2.0 M NaCl with 500. mL water

Question 2

Which of the following statements about chemistry is NOT true?
 
  A) Chemistry is an important component of the economy of the United States.
  B) Chemistry affects every area of our daily lives.
  C) Chemical products account for 10 of U.S. exports every year.
  D) All of the above are true.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CourtneyCNorton

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

D


CQXA

  • Member
  • Posts: 546
Reply 2 on: Aug 27, 2018
:D TYSM

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

NaCl crystals dissolving in water NaCl crystals dissolving in water
Prepare upper back for hot application. Undrape upper back. Check tissues visually and through ... Prepare upper back for hot application. Undrape upper back. Check tissues visually and through ...
Prepare knee for cold application. Undrape the leg. Check tissues visually and through palpation, ... Prepare knee for cold application. Undrape the leg. Check tissues visually and through palpation, ...
Formation of Dilute Urine Formation of Dilute Urine
E9-23 Prepare income statements Explain the difference in operating income E9-23 Prepare income statements Explain the difference in operating income
Daniel's Enterprises has a beta of 1.98 and a growth rate of 12 percent. The stock is ... Daniel's Enterprises has a beta of 1.98 and a growth rate of 12 percent. The stock is ...
Video: Hormonal regulation of pregnancy - week 1

For a complete list of videos, visit our video library